2023 Audi A3 2.0 TDI S Line

Overview

• Make: Audi
• Model: A3
• Trim: S Line
• Version: 2.0 TDI 35 S Line S tronic FWD Euro 6 (s/s) 5dr Sportback (148 bhp)
• Year: 2023
• Mileage: 12,873 miles
• Fuel: Diesel
• Body: Hatchback, 5 doors, 5 seats
• Engine: 2.0 litres, 148 bhp
• Gearbox: Automatic (S tronic)
• Drive: Front-wheel drive
• Colour: Grey
• CO2: 127 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2023 Audi A3 S Line is advertised with 12,873 miles, approximately 14,100 below the typical mileage for its age. Priced at £23,290, it is advertised £322 below the AskCar estimate of £23,612. To work out the AskCar estimate, we analyse UK dealer adverts for 6,542 Audi A3 cars across different ages and specifications. We first recorded this advert 41 days ago, and its asking price has since fallen by £1,200. According to the government's MOT record, its advertised mileage is consistent with the latest test. It is advertised by Group 1 Automotive Finchley Road Audi in London. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 2 November 2026.

How we estimate prices and check cars

Price

Fair price: £322 (1%) under the AskCar estimate of £23,612.

The AskCar estimate is our expected asking price for this car. It uses UK dealer asking prices, accounting for make, model, trim, version, age, mileage, fuel, gearbox, body type, driven wheels, engine size and power. It is an advertised price, not a confirmed sale price.

It draws on 6,542 priced Audi A3 adverts across different ages and specifications, as of 2 November 2026.

A 2023 Audi A3 with the 2.0 diesel engine is typically advertised at £21,500: the median of the 113 for sale on AskCar, as of 2 November 2026.

Time on sale

This 2023 Audi A3 has been on sale for at least 41 days.

Price history

AskCar first saw this advert on 22 September 2026 at £24,490. Its asking price is now £23,290, £1,200 less. The latest price cut was seen on 18 October 2026.

Price changes recorded:

• 22 September 2026: £24,490
• 24 September 2026: £24,350
• 4 October 2026: £23,990
• 14 October 2026: £23,490
• 18 October 2026: £23,290

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 2 November 2026: valid until 28 April 2027.

It has had one MOT, on 24 April 2026, and passed.

There were no advisories at the latest test.

Mileage at that test: 11,152 miles, which matches the advertised 12,873 miles.

Advertised mileage is about 14,100 miles lower than the median mileage of a 2023 Audi A3 on AskCar.

Similar cars

40 other 2023 Audi A3 S Line 2.0 diesel automatic hatchbacks are for sale at UK dealers, from £16,203 to £24,699, as of 2 November 2026.

The 3 closest to this car in mileage:

• 2023 Audi A3 S Line, 2.0 diesel hatchback, blue. Mileage: 13,867 miles. Price: £24,500, £1,210 more than this car. Dealer: Sytner Group Nottingham Audi in Nottingham. AskCar page: https://askcar.co.uk/car/audi-a3-2023-f7891407dc44
• 2023 Audi A3 S Line, 2.0 diesel hatchback, black. Mileage: 13,887 miles. Price: £24,699, £1,409 more than this car. Dealer: John Clark Motor Group Aberdeen Audi in Aberdeen. AskCar page: https://askcar.co.uk/car/audi-a3-2023-0e35d2ff27a2
• 2023 Audi A3 S Line, 2.0 diesel hatchback, grey. Mileage: 11,422 miles. Price: £24,495, £1,205 more than this car. Dealer: Hawco Group in Dundee. AskCar page: https://askcar.co.uk/car/audi-a3-2023-361bca63357a

• The nearest: 2023 Audi A3 S Line, 2.0 diesel hatchback, grey, 8 miles from this car. Mileage: 57,767 miles. Price: £18,946, £4,344 less than this car. Dealer: Group 1 Automotive Chingford Audi in Chingford. AskCar page: https://askcar.co.uk/car/audi-a3-2023-56f9d1600591